{
  "id": "BR-24",
  "country": "EU",
  "syntax": "ubl",
  "group": "document",
  "severity": "fatal",
  "severity_note": "fatal, from the Flag column of the Peppol BIS Billing 3.0 UBL rules index retrieved 2026-10-18.",
  "spec": "Peppol BIS Billing 3.0, May 2026 release, EN 16931 model bound to UBL",
  "statement": "Each Invoice line (BG-25) shall have an Invoice line net amount (BT-131).",
  "statement_lang": "en",
  "context": "cac:InvoiceLine | cac:CreditNoteLine",
  "test": "exists(cbc:LineExtensionAmount)",
  "meaning": "Each invoice line (BG-25) must have an invoice line net amount (BT-131). The message says \"shall have an\", not \"shall have the\". The published test checks that cbc:LineExtensionAmount exists on the line. It does not calculate that amount. The context is the invoice line or the credit note line, not the legal monetary total.",
  "fix": "Add cbc:LineExtensionAmount on each invoice line or credit note line. That element is the invoice line net amount (BT-131).",
  "example_fail": "An invoice line or a credit note line has no line extension amount.",
  "example_pass": "The invoice line or the credit note line has a line extension amount element.",
  "example_note": "Illustration of the condition in the official statement. Not an example published by the source.",
  "source_url": "https://docs.peppol.eu/poacc/billing/3.0/rules/ubl-tc434/BR-24/",
  "source_retrieved": "2026-10-18",
  "last_verified": "2026-10-18"
}